GPS OPERATIONAL ADVISORY 351 SUBJ: GPS STATUS 17 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 350 SUBJ: GPS STATUS 16 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 349 SUBJ: GPS STATUS 15 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 349 SUBJ: GPS STATUS 15 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009128 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** SVN25 (PRN25) FORECAST OUTAGE ON JDAY 352/1500Z UNTIL FURTHER NOTICE. GPS SATELLITE SVN25 (PRN25) WILL BE UNUSABLE NO EARLIER THAN JDAY 352 (18 DEC 2009) BEGINNING 1500Z UNTIL FURTHER NOTICE. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gps_supp ...Continue Reading

GPS OPERATIONAL ADVISORY 348 SUBJ: GPS STATUS 14 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 347 SUBJ: GPS STATUS 13 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

GPS OPERATIONAL ADVISORY 346 SUBJ: GPS STATUS 12 DEC 2009 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM): A. BLOCK I : NONE B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 PLANE : SLOT B6, D1, C2, D4, E6, C6, A4, A3, A1, E3, D2, B4, F3, F1 CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D5, A5, F5, A6, B3 CLOCK : RB, RB, ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009127 NANU TYPE: GENERAL *** GENERAL MESSAGE TO ALL GPS USERS *** Correction to NANU 2009126. The operational test of new ground software will be conducted during J349 - J352. All other information in NANU 2009126 is correct. *** GENERAL MESSAGE TO ALL GPS USERS *** POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gps_support@schriever.af.mil, HTTPS://gps. ...Continue Reading

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2009125 SUBJ: SVN38 (PRN08) FORECAST OUTAGE SUMMARY JDAY 345/1137 - JDAY 345/1828 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2009125 NANU DTG: 111829Z DEC 2009 REFERENCE NANU: 2009122 REF NANU DTG: 021519Z DEC 2009 SVN: 38 PRN: 08 START JDAY: 345 START TIME ZULU: 1137 START CALENDAR DATE: 11 DEC 2009 STOP JDAY: 345 STOP TIME ZULU: 1828 STOP CALENDAR DATE: 11 DEC 2009 2. CONDITION: GPS SATELLITE SVN38 (PRN08) WAS UNUSABLE ON JDAY 345 ...Continue Reading